Rapid City Downtown, SD

4 October 2026: 2026 so far averaged 56.9°F in Rapid City Downtown, SD, the warmest 1 January to 4 October on record, in 115 years since 1888 (1972 excluded: 176 of 278 days missing; 1973 excluded: 277 of 277 days missing; 1974 excluded: 277 of 277 days missing; 21 more years excluded for missing days); provisional.

Sunday 4 October 2026

Sunday 4 October 2026: a high of 77°F in Rapid City Downtown, SD, the warmest 4 October since 2024, tied 24th warmest of 115 (with 1938 and 1900).
Sunday 4 October 2026: a low of 47°F in Rapid City Downtown, SD, the warmest 4 October night since 2025, tied 28th warmest of 115 (with 2023, 1960, 1946 and 2 other years).
No measurable precipitation in Rapid City Downtown, SD for 6 days to Sunday 4 October 2026.

The latest report and the forecast

ForecastForecast for Monday 5 October 2026: a high of 90°F in Rapid City Downtown, SD, which would be the warmest 5 October since 1963, 3rd warmest of 115 (National Weather Service forecast).
ForecastForecast for Monday 5 October 2026: a low of 52°F in Rapid City Downtown, SD, which would be the warmest 5 October night since 2022, tied 14th warmest of 115 (with 2022, 2021, 1961 and 1 other year) (National Weather Service forecast).

Every year on this date

Every 4 October high in Rapid City Downtown, SD since 1888: 77°F in 2026; the highest is 92°F, in 1963.

Every 4 October low in Rapid City Downtown, SD since 1888: 47°F in 2026; the lowest is 26°F, in 1950 and 1898.

Above the normal range
In it
Below it
Normal range
This year and the extreme

Every year as a table

Year	High, °F	Low, °F
2026	77	47
2025	69	50
2024	87	49
2023	66	47
2022	63	50
2021	86	56
2020	75	42
2019	63	36
2018	47	29
2017	56	29
2016	58	43
2015	51	46
2014	64	36
2013	36	28
2012	45	32
2011	88	60
2010	82	43
2009	41	34
2008	76	49
2007	67	48
2006	48	41
2005	44	31
2004	66	37
2003	74	50
2002	53	39
2001	47	37
2000	44	34
1999	76	37
1998	42	33
1997	85	53
1996	76	49
1971	71	45
1970	86	50
1969	47	40
1968	74	31
1967	69	53
1966	60	35
1965	73	40
1964	58	34
1963	92	64
1962	70	41
1961	76	48
1960	85	47
1959	70	44
1958	78	54
1957	69	48
1956	87	45
1955	86	56
1954	42	34
1953	70	32
1952	49	36
1951	52	45
1950	62	26
1949	76	44
1948	82	45
1947	83	54
1946	57	47
1945	75	52
1944	74	35
1943	81	41
1942	59	50
1941	57	42
1940	66	50
1939	44	39
1938	77	57
1937	79	44
1936	78	43
1935	62	33
1934	71	46
1933	81	46
1932	42	33
1931	67	45
1930	55	46
1929	74	41
1928	60	40
1927	67	37
1926	55	44
1925	60	32
1924	49	39
1923	65	44
1922	88	53
1921	85	44
1920	82	45
1919	41	36
1918	74	53
1917	68	46
1916	38	34
1915	52	34
1914	55	37
1913	50	37
1912	83	47
1911	65	34
1910	71	46
1909	83	47
1908	58	38
1907	71	46
1906	53	38
1905	75	49
1904	62	41
1903	59	35
1902	68	38
1901	69	33
1900	77	44
1899	66	38
1898	45	26
1897	75	46
1896	57	35
1895	59	44
1894	62	45
1893	63	32
1892	84	55
1891	48	34
1890	59	33
1889	74	51
1888	64	42

The 20 warmest 4 October highs in Rapid City Downtown, SD since 1888.
Rank	Year	Value
1	1963	92°F
2	2011	88°F
2	1922	88°F
4	2024	87°F
4	1956	87°F
6	2021	86°F
6	1970	86°F
6	1955	86°F
9	1997	85°F
9	1960	85°F
9	1921	85°F
12	1892	84°F
13	1947	83°F
13	1912	83°F
13	1909	83°F
16	2010	82°F
16	1948	82°F
16	1920	82°F
19	1943	81°F
19	1933	81°F

The 20 coldest 4 October lows in Rapid City Downtown, SD since 1888.
Rank	Year	Value
1	1950	26°F
1	1898	26°F
3	2013	28°F
4	2018	29°F
4	2017	29°F
6	2005	31°F
6	1968	31°F
8	2012	32°F
8	1953	32°F
8	1925	32°F
8	1893	32°F
12	1998	33°F
12	1935	33°F
12	1932	33°F
12	1901	33°F
12	1890	33°F
17	2009	34°F
17	2000	34°F
17	1964	34°F
17	1954	34°F

The 20 wettest 4 October days in Rapid City Downtown, SD since 1888.
Rank	Year	Value
1	1998	1.96 in
2	2013	1.83 in
3	1913	0.99 in
4	2005	0.96 in
5	1951	0.62 in
6	1919	0.57 in
7	2025	0.55 in
8	2009	0.54 in
9	1939	0.46 in
10	1969	0.27 in
11	1930	0.23 in
12	2018	0.21 in
13	1914	0.18 in
14	1888	0.17 in
15	2022	0.13 in
15	1908	0.13 in
17	2000	0.11 in
18	2001	0.10 in
19	1891	0.07 in
20	1937	0.04 in

This month, season and year so far

October 2026 so far averaged 60.1°F in Rapid City Downtown, SD, the warmest 1 to 4 October since 2025, tied 29th warmest of 114 (with 1951).
October 2026 so far brought 0.00 in of precipitation in Rapid City Downtown, SD, tying the record for the driest 1 to 4 October, set in 2024, 2021, 2011 and 34 other years, in 115 years since 1888 (1972 excluded: 4 of 4 days missing; 1973 excluded: 4 of 4 days missing; 1974 excluded: 4 of 4 days missing; 21 more years excluded for missing days); provisional.
Fall 2026 so far averaged 66.7°F in Rapid City Downtown, SD, the warmest 1 September to 4 October since 2025, 8th warmest of 115.
Fall 2026 so far brought 1.57 in of precipitation in Rapid City Downtown, SD, the wettest 1 September to 4 October since 2025, 42nd wettest of 115.
2026 so far brought 12.71 in of precipitation in Rapid City Downtown, SD, the driest 1 January to 4 October since 2021, 24th driest of 115.
The 30 days to Sunday 4 October 2026 brought 1.55 in of precipitation in Rapid City Downtown, SD, the driest 30 days to 4 October since 2024, tied 82nd driest of 115 (with 2006).
The 60 days to Sunday 4 October 2026 brought 5.73 in of precipitation in Rapid City Downtown, SD, the driest 60 days to 4 October since 2025, 107th driest of 115.
The 90 days to Sunday 4 October 2026 brought 6.93 in of precipitation in Rapid City Downtown, SD, the driest 90 days to 4 October since 2024, 91st driest of 115.

Daily highs and lows in Rapid City Downtown, SD, 1 to 4 October 2026, with each date's record range and its 1991 to 2020 normal range.

High
Low
Normal range
Record range

Every day as a table

Day	High, °F	Low, °F	Record high	Record high year	Record low	Record low year
1 October 2026	62	50	96	1892	28	1950
2 October 2026	75	46	94	2011	24	1893
3 October 2026	72	52	93	2025	26	1950
4 October 2026	77	47	92	1963	26	1950

Every year's 1 to 4 October in Rapid City Downtown, SD, ranked by its mean temperature: October 2026 so far is the tied 29th warmest of 114.

Above the normal range
Above the normal
Below the normal
Below the normal range

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2011	74.1
2	1963	71.5
3	2025	69.3
3	1938	69.3
5	1997	69.1
6	1892	69
7	1957	67
8	1922	66.4
9	1967	65.6
10	2021	65.5
11	1956	64.1
12	1889	63.9
13	1947	63.5
14	1917	62.5
15	1970	62.3
16	2024	62.1
16	1914	62.1
18	2008	62
19	1931	61.8
20	1897	61.6
21	1937	61.5
22	1933	61.1
22	1904	61.1
24	1906	61
25	1945	60.5
26	1909	60.4
27	1943	60.3
27	1920	60.3
29	2026	60.1
29	1951	60.1
31	2023	59.8
31	1946	59.8
31	1910	59.8
34	2022	59.6
34	2007	59.6
34	1896	59.6
37	2016	59.5
38	1905	59.4
39	1949	58.9
40	1953	58.8
41	1955	58.3
41	1912	58.3
43	2006	58
43	1942	58
45	2010	57.9
45	1960	57.9
45	1918	57.9
48	1948	57.8
49	1965	57.5
50	1913	57.1
51	2001	57
52	1958	56.9
53	1934	56.8
54	2003	56.6
54	1940	56.6
56	2005	56
57	1895	55.8
58	1929	55.5
58	1928	55.5
60	1888	55
61	1961	54.9
61	1890	54.9
63	1932	54.6
64	1969	54.5
65	1903	54.4
66	1926	54.1
67	1964	53.9
67	1921	53.9
67	1899	53.9
70	1968	53.6
70	1952	53.6
72	2020	53.1
72	1908	53.1
74	1936	52.9
75	1935	52.8
75	1930	52.8
75	1923	52.8
78	1939	52.6
79	1915	52.4
79	1907	52.4
79	1900	52.4
82	1924	52.1
83	2018	52
84	1971	51.3
85	1996	51.1
86	2015	50.9
87	1901	50.5
88	2012	50.4
88	2004	50.4
88	1954	50.4
91	1911	50.3
92	1894	49.5
93	1941	49.4
94	2000	48.6
95	2014	48.3
95	1919	48.3
97	1966	47.6
97	1927	47.6
99	2013	47.4
100	2017	47.3
101	1959	46.4
102	1902	46.3
103	1916	44.5
104	1925	44.3
105	1944	43.5
106	1893	43.1
107	2002	42.6
107	1898	42.6
109	2019	42.4
110	1891	41.9
111	1998	41.8
112	2009	41.5
113	1999	40.9
114	1950	35.4

This year so far

Rapid City Downtown, SD has had 49 days at 90°F or above in 2026 through 4 October, the most by that date since 2012, tied 2nd most of 115 (with 2012).
Rapid City Downtown, SD has had 11 days at 100°F or above in 2026 through 4 October, the most by that date since 1936 (1972 excluded: 176 of 278 days missing; 1973 excluded: 277 of 277 days missing; 1974 excluded: 277 of 277 days missing; 21 more years excluded for missing days), 3rd most of 115.
Rapid City Downtown, SD has had 74 freezing nights (a low of 32°F or below) in 2026 through 4 October, the most by that date since 2025, 112th most of 115.
The last freeze of spring 2026 in Rapid City Downtown, SD came on Wednesday 6 May 2026, the latest since 2021, tied 69th latest of 115 (with 1905).

Records of the coming dates

Rapid City Downtown, SD on 5 October: record high 92°F (1947), record low 21°F (1952).
Rapid City Downtown, SD on 6 October: record high 86°F (1920 and 1905), record low 19°F (1952).

The station

Daily records for Rapid City Downtown, SD run from 1888 to 4 October 2026, with 8700 days missing; current station RAPID CITY WFO.

Our calculation from NOAA records for Rapid City Downtown, SD, 1888 to 2026. Preliminary until NOAA's final data.

All-time records

Nearby

Rapid City, SD 8.0 mi
Scottsbluff, NE 153.1 mi
Valentine, NE 157.5 mi
Mobridge, SD 171.1 mi
Casper, WY 182.6 mi
Pennington County, SD county average
South Dakota every city and county